The debate over ethanol often is dominated by corn, our most widely used natural resource for making the fuel.
But there are many different “feedstocks” that can be used to produce the alcohol fuel. Fuel Freedom Foundation has created a new infographic detailing some of those. Of course, corn is in there, but so is natural gas and a variety of plants that don’t just look pretty, they’re useful as a fuel to power our cars, trucks and SUVs.
Companies also are ramping up production of “cellulosic” ethanol. That form of ethanol isn’t fermented from corn starch but from the sugars extracted from a wide variety of plants. Cellulosic ethanol can be made from wood waste, corn stover (the leftovers from corn after it’s harvested) and switchgrass, among other inedible plants.
The infographic is below. Click on the image for a wider view:
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As David Blume, author of “Alcohol Can Be a Gas!”, outlined in our 2014 documentary PUMP, ethanol can be made from the agave plant, cat tails, sweet sorghum and other plants that don’t require as much effort (and diesel-powered machinery) to grow.
Prickly pear, for instance, “grows all over the world, in huge quantities, especially in places where it’s dry,” Blume said. “We can grow this in poor countries that don’t have a viable agriculture, in arid areas.
“What is the best alcohol crop? It’s the one that’s best suited to your soil and climate where you are.”
Watch that clip from the movie: